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-rw-r--r--sound/drivers/dummy.c4
-rw-r--r--sound/drivers/mpu401/mpu401.c4
-rw-r--r--sound/drivers/opl3/opl3_lib.c2
-rw-r--r--sound/drivers/opl3/opl3_oss.c14
-rw-r--r--sound/drivers/opl3/opl3_seq.c22
-rw-r--r--sound/drivers/opl3/opl3_synth.c10
-rw-r--r--sound/drivers/opl4/opl4_lib.c2
-rw-r--r--sound/drivers/opl4/opl4_local.h2
-rw-r--r--sound/drivers/opl4/opl4_proc.c10
-rw-r--r--sound/drivers/opl4/opl4_seq.c12
-rw-r--r--sound/drivers/serial-u16550.c5
-rw-r--r--sound/drivers/virmidi.c4
-rw-r--r--sound/drivers/vx/vx_core.c2
-rw-r--r--sound/drivers/vx/vx_mixer.c72
-rw-r--r--sound/drivers/vx/vx_pcm.c13
15 files changed, 99 insertions, 79 deletions
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 14e1a671b5cf..e35fd5779a9d 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -669,8 +669,10 @@ static int __init alsa_card_dummy_init(void)
return err;
cards = 0;
- for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
+ if (! enable[i])
+ continue;
device = platform_device_register_simple(SND_DUMMY_DRIVER,
i, NULL, 0);
if (IS_ERR(device)) {
diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index 915589a402ab..9d10d79e27af 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -240,8 +240,10 @@ static int __init alsa_card_mpu401_init(void)
return err;
devices = 0;
- for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
+ if (! enable[i])
+ continue;
#ifdef CONFIG_PNP
if (pnp[i])
continue;
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index 1e0c76b9acfc..4f8556976774 100644
--- a/sound/drivers/opl3/opl3_lib.c
+++ b/sound/drivers/opl3/opl3_lib.c
@@ -358,7 +358,7 @@ int snd_opl3_new(struct snd_card *card,
opl3->hardware = hardware;
spin_lock_init(&opl3->reg_lock);
spin_lock_init(&opl3->timer_lock);
- init_MUTEX(&opl3->access_mutex);
+ mutex_init(&opl3->access_mutex);
if ((err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops)) < 0) {
snd_opl3_free(opl3);
diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c
index 31f1f2e25aa0..fccf019a6d85 100644
--- a/sound/drivers/opl3/opl3_oss.c
+++ b/sound/drivers/opl3/opl3_oss.c
@@ -104,8 +104,10 @@ static int snd_opl3_oss_create_port(struct snd_opl3 * opl3)
voices, voices,
name);
if (opl3->oss_chset->port < 0) {
+ int port;
+ port = opl3->oss_chset->port;
snd_midi_channel_free_set(opl3->oss_chset);
- return opl3->oss_chset->port;
+ return port;
}
return 0;
}
@@ -136,17 +138,17 @@ void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name)
arg->oper = oss_callback;
arg->private_data = opl3;
- snd_opl3_oss_create_port(opl3);
-
- /* register to OSS synth table */
- snd_device_register(opl3->card, dev);
+ if (snd_opl3_oss_create_port(opl3)) {
+ /* register to OSS synth table */
+ snd_device_register(opl3->card, dev);
+ }
}
/* unregister */
void snd_opl3_free_seq_oss(struct snd_opl3 *opl3)
{
if (opl3->oss_seq_dev) {
- snd_device_free(opl3->card, opl3->oss_seq_dev);
+ /* The instance should have been released in prior */
opl3->oss_seq_dev = NULL;
}
}
diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c
index c4ead790008a..57becf34f43e 100644
--- a/sound/drivers/opl3/opl3_seq.c
+++ b/sound/drivers/opl3/opl3_seq.c
@@ -52,13 +52,13 @@ int snd_opl3_synth_setup(struct snd_opl3 * opl3)
{
int idx;
- down(&opl3->access_mutex);
+ mutex_lock(&opl3->access_mutex);
if (opl3->used) {
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
return -EBUSY;
}
opl3->used++;
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
snd_opl3_reset(opl3);
@@ -91,9 +91,9 @@ void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)
spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);
snd_opl3_reset(opl3);
- down(&opl3->access_mutex);
+ mutex_lock(&opl3->access_mutex);
opl3->used--;
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
}
static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe * info)
@@ -207,8 +207,10 @@ static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)
16, voices,
name);
if (opl3->chset->port < 0) {
+ int port;
+ port = opl3->chset->port;
snd_midi_channel_free_set(opl3->chset);
- return opl3->chset->port;
+ return port;
}
return 0;
}
@@ -218,7 +220,7 @@ static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)
static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
{
struct snd_opl3 *opl3;
- int client;
+ int client, err;
char name[32];
int opl_ver;
@@ -239,7 +241,11 @@ static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
if (client < 0)
return client;
- snd_opl3_synth_create_port(opl3);
+ if ((err = snd_opl3_synth_create_port(opl3)) < 0) {
+ snd_seq_delete_kernel_client(client);
+ opl3->seq_client = -1;
+ return err;
+ }
/* initialize instrument list */
opl3->ilist = snd_seq_instr_list_new();
diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
index 3534a0e3342a..6db503f025b3 100644
--- a/sound/drivers/opl3/opl3_synth.c
+++ b/sound/drivers/opl3/opl3_synth.c
@@ -76,13 +76,13 @@ int snd_opl3_open(struct snd_hwdep * hw, struct file *file)
{
struct snd_opl3 *opl3 = hw->private_data;
- down(&opl3->access_mutex);
+ mutex_lock(&opl3->access_mutex);
if (opl3->used) {
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
return -EAGAIN;
}
opl3->used++;
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
return 0;
}
@@ -179,9 +179,9 @@ int snd_opl3_release(struct snd_hwdep * hw, struct file *file)
struct snd_opl3 *opl3 = hw->private_data;
snd_opl3_reset(opl3);
- down(&opl3->access_mutex);
+ mutex_lock(&opl3->access_mutex);
opl3->used--;
- up(&opl3->access_mutex);
+ mutex_unlock(&opl3->access_mutex);
return 0;
}
diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
index ddfc10d04be2..4bc860ae02de 100644
--- a/sound/drivers/opl4/opl4_lib.c
+++ b/sound/drivers/opl4/opl4_lib.c
@@ -214,7 +214,7 @@ int snd_opl4_create(struct snd_card *card,
opl4->fm_port = fm_port;
opl4->pcm_port = pcm_port;
spin_lock_init(&opl4->reg_lock);
- init_MUTEX(&opl4->access_mutex);
+ mutex_init(&opl4->access_mutex);
err = snd_opl4_detect(opl4);
if (err < 0) {
diff --git a/sound/drivers/opl4/opl4_local.h b/sound/drivers/opl4/opl4_local.h
index 7e088a4a2f4c..470e5a758a02 100644
--- a/sound/drivers/opl4/opl4_local.h
+++ b/sound/drivers/opl4/opl4_local.h
@@ -182,7 +182,7 @@ struct snd_opl4 {
struct snd_info_entry *proc_entry;
int memory_access;
#endif
- struct semaphore access_mutex;
+ struct mutex access_mutex;
#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
int used;
diff --git a/sound/drivers/opl4/opl4_proc.c b/sound/drivers/opl4/opl4_proc.c
index f4b4e74fcc18..e552ec34166f 100644
--- a/sound/drivers/opl4/opl4_proc.c
+++ b/sound/drivers/opl4/opl4_proc.c
@@ -28,13 +28,13 @@ static int snd_opl4_mem_proc_open(struct snd_info_entry *entry,
{
struct snd_opl4 *opl4 = entry->private_data;
- down(&opl4->access_mutex);
+ mutex_lock(&opl4->access_mutex);
if (opl4->memory_access) {
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
return -EBUSY;
}
opl4->memory_access++;
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
return 0;
}
@@ -43,9 +43,9 @@ static int snd_opl4_mem_proc_release(struct snd_info_entry *entry,
{
struct snd_opl4 *opl4 = entry->private_data;
- down(&opl4->access_mutex);
+ mutex_lock(&opl4->access_mutex);
opl4->memory_access--;
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
return 0;
}
diff --git a/sound/drivers/opl4/opl4_seq.c b/sound/drivers/opl4/opl4_seq.c
index e3480326e735..dc0dcdc6c313 100644
--- a/sound/drivers/opl4/opl4_seq.c
+++ b/sound/drivers/opl4/opl4_seq.c
@@ -62,10 +62,10 @@ static int snd_opl4_seq_use(void *private_data, struct snd_seq_port_subscribe *i
struct snd_opl4 *opl4 = private_data;
int err;
- down(&opl4->access_mutex);
+ mutex_lock(&opl4->access_mutex);
if (opl4->used) {
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
return -EBUSY;
}
opl4->used++;
@@ -73,12 +73,12 @@ static int snd_opl4_seq_use(void *private_data, struct snd_seq_port_subscribe *i
if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM) {
err = snd_opl4_seq_use_inc(opl4);
if (err < 0) {
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
return err;
}
}
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
snd_opl4_synth_reset(opl4);
return 0;
@@ -90,9 +90,9 @@ static int snd_opl4_seq_unuse(void *private_data, struct snd_seq_port_subscribe
snd_opl4_synth_shutdown(opl4);
- down(&opl4->access_mutex);
+ mutex_lock(&opl4->access_mutex);
opl4->used--;
- up(&opl4->access_mutex);
+ mutex_unlock(&opl4->access_mutex);
if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM)
snd_opl4_seq_use_dec(opl4);
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c
index 112ddf705402..1a7fbefe4740 100644
--- a/sound/drivers/serial-u16550.c
+++ b/sound/drivers/serial-u16550.c
@@ -789,6 +789,7 @@ static int __init snd_uart16550_create(struct snd_card *card,
if ((err = snd_uart16550_detect(uart)) <= 0) {
printk(KERN_ERR "no UART detected at 0x%lx\n", iobase);
+ snd_uart16550_free(uart);
return -ENODEV;
}
@@ -989,8 +990,10 @@ static int __init alsa_card_serial_init(void)
return err;
cards = 0;
- for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
+ if (! enable[i])
+ continue;
device = platform_device_register_simple(SND_SERIAL_DRIVER,
i, NULL, 0);
if (IS_ERR(device)) {
diff --git a/sound/drivers/virmidi.c b/sound/drivers/virmidi.c
index 4258723de2ab..a3ee306239c9 100644
--- a/sound/drivers/virmidi.c
+++ b/sound/drivers/virmidi.c
@@ -163,8 +163,10 @@ static int __init alsa_card_virmidi_init(void)
return err;
cards = 0;
- for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
+ if (! enable[i])
+ continue;
device = platform_device_register_simple(SND_VIRMIDI_DRIVER,
i, NULL, 0);
if (IS_ERR(device)) {
diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c
index 43f615d7a545..fa4a2b5c2d8d 100644
--- a/sound/drivers/vx/vx_core.c
+++ b/sound/drivers/vx/vx_core.c
@@ -778,7 +778,7 @@ struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
chip->type = hw->type;
chip->ops = ops;
tasklet_init(&chip->tq, vx_interrupt, (unsigned long)chip);
- init_MUTEX(&chip->mixer_mutex);
+ mutex_init(&chip->mixer_mutex);
chip->card = card;
card->private_data = chip;
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index 8ec2c605d2f0..c1d7fcdd1973 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -427,10 +427,10 @@ static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->output_level[codec][0];
ucontrol->value.integer.value[1] = chip->output_level[codec][1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -438,7 +438,7 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->output_level[codec][0] ||
ucontrol->value.integer.value[1] != chip->output_level[codec][1]) {
vx_set_analog_output_level(chip, codec,
@@ -446,10 +446,10 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
ucontrol->value.integer.value[1]);
chip->output_level[codec][0] = ucontrol->value.integer.value[0];
chip->output_level[codec][1] = ucontrol->value.integer.value[1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -502,14 +502,14 @@ static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
chip->audio_source_target = ucontrol->value.enumerated.item[0];
vx_sync_audio_source(chip);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -550,14 +550,14 @@ static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
chip->clock_mode = ucontrol->value.enumerated.item[0];
vx_set_clock(chip, chip->freq);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -587,10 +587,10 @@ static int vx_audio_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -600,15 +600,15 @@ static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_gain[capture][audio] ||
ucontrol->value.integer.value[1] != chip->audio_gain[capture][audio+1]) {
vx_set_audio_gain(chip, audio, capture, ucontrol->value.integer.value[0]);
vx_set_audio_gain(chip, audio+1, capture, ucontrol->value.integer.value[1]);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -617,10 +617,10 @@ static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_el
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -629,17 +629,17 @@ static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_monitor[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor[audio+1]) {
vx_set_monitor_level(chip, audio, ucontrol->value.integer.value[0],
chip->audio_monitor_active[audio]);
vx_set_monitor_level(chip, audio+1, ucontrol->value.integer.value[1],
chip->audio_monitor_active[audio+1]);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -657,10 +657,10 @@ static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_va
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_active[audio];
ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -669,15 +669,15 @@ static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_va
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
vx_set_audio_switch(chip, audio, ucontrol->value.integer.value[0]);
vx_set_audio_switch(chip, audio+1, ucontrol->value.integer.value[1]);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -686,10 +686,10 @@ static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -698,17 +698,17 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
ucontrol->value.integer.value[0]);
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
ucontrol->value.integer.value[1]);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -756,12 +756,12 @@ static int vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
@@ -783,14 +783,14 @@ static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
(ucontrol->value.iec958.status[1] << 8) |
(ucontrol->value.iec958.status[2] << 16) |
(ucontrol->value.iec958.status[3] << 24);
- down(&chip->mixer_mutex);
+ mutex_lock(&chip->mixer_mutex);
if (chip->uer_bits != val) {
chip->uer_bits = val;
vx_set_iec958_status(chip, val);
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 1;
}
- up(&chip->mixer_mutex);
+ mutex_unlock(&chip->mixer_mutex);
return 0;
}
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 464109e421d4..c4af84995d05 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -98,10 +98,9 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t s
static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
{
struct snd_pcm_runtime *runtime = subs->runtime;
- if (runtime->dma_area) {
- vfree(runtime->dma_area);
- runtime->dma_area = NULL;
- }
+
+ vfree(runtime->dma_area);
+ runtime->dma_area = NULL;
return 0;
}
@@ -1254,9 +1253,13 @@ static int vx_init_audio_io(struct vx_core *chip)
/* allocate pipes */
chip->playback_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_outs, GFP_KERNEL);
+ if (!chip->playback_pipes)
+ return -ENOMEM;
chip->capture_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_ins, GFP_KERNEL);
- if (! chip->playback_pipes || ! chip->capture_pipes)
+ if (!chip->capture_pipes) {
+ kfree(chip->playback_pipes);
return -ENOMEM;
+ }
memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.